Answer:
some advantages of top down is that you can start off from what you know and figure out what you need to complete it, advantages to bottom up is that you can make something new . if you are starting something from scratch and you dont know what the end goal might be you would use bottom up but if you already have an idea or the final product of what you want you would go the top down approach.
Explanation: just saying you shouldnt just copy and paste my response but rather pick out what you want to say and use this to complete what ever your working on. hope i helped :)
Answer:
Prototype is a framework that provides a simple API for performing web tasks.
Explanation:
Prototype is a JavaScript framework that aims to ease up the development of dynamic web applications. It basically take out the complexity out of the client-side programming.
Following are some salient features of Prototype:
1) Applies useful methods to extend DOM elements and built-in types.
2) Provides advance support for Event Management.
3) Provides powerful Ajax feature.
4) Built-in support for class-style OOP.
5) Not a complete application development framework
Answer:
if means that like (if this happen it will come or not come answer)
Explanation:
sorry I don't know how to tell but plz reply if you understand or not.